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Finding the Fourth Proportional to 573,620.52, 791,615.49 and 315,508.35

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Solution

The fourth proportional to 573,620.52, 791,615.49 and 315,508.35 is: 435,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,620.52 : 791,615.49 = 315,508.35 : x
  2. Step 2: Convert to fraction form
    573,620.52/791,615.49 = 315,508.35/x
  3. Step 3: Cross multiply
    573,620.52x = 791,615.49 × 315,508.35
  4. Step 4: Simplify right side
    573,620.52x = 249,761,297,084.34
  5. Step 5: Solve for x
    x = 249,761,297,084.34/573,620.52
  6. Step 6: Final answer
    x = 435,412.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.